Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
   Rule 13d-1(b)
   Rule 13d-1(c)
   Rule 13d-1(d)




schemaVersion:


SCHEDULE 13G




Comment for Type of Reporting Person:  Note to Row 6: Konstantinos Konstantakopoulos owns all 1,063,079 shares indirectly through Longshaw Maritime Investments S.A., a Marshall Islands corporation. Note to Row 11: The percent ownership is calculated based upon an aggregate of 21,668,198 shares outstanding as reported in Seanergy Maritime Holdings Corp.'s report on Form 6-K filed on August 6, 2026.


SCHEDULE 13G




Comment for Type of Reporting Person:  Note to Row 6: Longshaw Maritime Investments S.A. is controlled by Konstantinos Konstantakopoulos, resulting in his indirect ownership of all 1,063,079 shares of common stock of Seanergy Maritime Holdings Corp. Note to Row 11: The percent ownership is calculated based upon an aggregate of 21,668,198 shares outstanding as reported in Seanergy Maritime Holdings Corp.'s report on Form 6-K filed on August 6, 2026.


SCHEDULE 13G



 
Konstantakopoulos Konstantinos
 
Signature:/s/ Konstantinos Konstantakopoulos
Name/Title:Konstantinos Konstantakopoulos
Date:09/21/2026
 
Longshaw Maritime Investments S.A.
 
Signature:/s/ Konstantinos Konstantakopoulos
Name/Title:Konstantinos Konstantakopoulos
Date:09/21/2026